What is Javascript variable?

Hi there. I am newby in Javascript. I study it but I can’t understand variable. Please help me out to explain it more descriptively and understandably. Thanks in advance.

See the Variables section of the [url=“https://developer.mozilla.org/en/JavaScript/Guide/Values%2c_Variables%2c_and_Literals#Variables”]Values, Variables, and Literals page, which is a part of the [url=“https://developer.mozilla.org/en/JavaScript/Guide”]JavaScript Guide.